TSTP Solution File: SET916+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET916+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n015.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri May  3 03:01:59 EDT 2024

% Result   : Theorem 3.87s 1.19s
% Output   : CNFRefutation 3.87s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   51 (   8 unt;   0 def)
%            Number of atoms       :  239 (  79 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  307 ( 119   ~; 111   |;  69   &)
%                                         (   4 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-3 aty)
%            Number of variables   :  132 (   2 sgn  89   !;  18   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

fof(f5,axiom,
    ! [X0,X1,X2] :
      ( set_intersection2(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( in(X3,X1)
            & in(X3,X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X2] : ~ in(X2,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

fof(f11,conjecture,
    ! [X0,X1,X2] :
      ~ ( ~ disjoint(unordered_pair(X0,X2),X1)
        & ~ in(X2,X1)
        & ~ in(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t57_zfmisc_1) ).

fof(f12,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ~ ( ~ disjoint(unordered_pair(X0,X2),X1)
          & ~ in(X2,X1)
          & ~ in(X0,X1) ),
    inference(negated_conjecture,[],[f11]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X3] : ~ in(X3,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    inference(rectify,[],[f10]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( ? [X3] : in(X3,set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(ennf_transformation,[],[f14]) ).

fof(f18,plain,
    ? [X0,X1,X2] :
      ( ~ disjoint(unordered_pair(X0,X2),X1)
      & ~ in(X2,X1)
      & ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f20,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(flattening,[],[f19]) ).

fof(f21,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X1 != X4
                & X0 != X4 ) )
            & ( X1 = X4
              | X0 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(rectify,[],[f20]) ).

fof(f22,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( X1 != X3
              & X0 != X3 )
            | ~ in(X3,X2) )
          & ( X1 = X3
            | X0 = X3
            | in(X3,X2) ) )
     => ( ( ( sK0(X0,X1,X2) != X1
            & sK0(X0,X1,X2) != X0 )
          | ~ in(sK0(X0,X1,X2),X2) )
        & ( sK0(X0,X1,X2) = X1
          | sK0(X0,X1,X2) = X0
          | in(sK0(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f23,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ( ( ( sK0(X0,X1,X2) != X1
              & sK0(X0,X1,X2) != X0 )
            | ~ in(sK0(X0,X1,X2),X2) )
          & ( sK0(X0,X1,X2) = X1
            | sK0(X0,X1,X2) = X0
            | in(sK0(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X1 != X4
                & X0 != X4 ) )
            & ( X1 = X4
              | X0 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f21,f22]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ~ in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | ~ in(X3,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f25,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ~ in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | ~ in(X3,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(flattening,[],[f24]) ).

fof(f26,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ~ in(X4,X1)
              | ~ in(X4,X0) )
            & ( ( in(X4,X1)
                & in(X4,X0) )
              | ~ in(X4,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(rectify,[],[f25]) ).

fof(f27,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ~ in(X3,X1)
            | ~ in(X3,X0)
            | ~ in(X3,X2) )
          & ( ( in(X3,X1)
              & in(X3,X0) )
            | in(X3,X2) ) )
     => ( ( ~ in(sK1(X0,X1,X2),X1)
          | ~ in(sK1(X0,X1,X2),X0)
          | ~ in(sK1(X0,X1,X2),X2) )
        & ( ( in(sK1(X0,X1,X2),X1)
            & in(sK1(X0,X1,X2),X0) )
          | in(sK1(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f28,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ( ( ~ in(sK1(X0,X1,X2),X1)
            | ~ in(sK1(X0,X1,X2),X0)
            | ~ in(sK1(X0,X1,X2),X2) )
          & ( ( in(sK1(X0,X1,X2),X1)
              & in(sK1(X0,X1,X2),X0) )
            | in(sK1(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ~ in(X4,X1)
              | ~ in(X4,X0) )
            & ( ( in(X4,X1)
                & in(X4,X0) )
              | ~ in(X4,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f26,f27]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ? [X3] : in(X3,set_intersection2(X0,X1))
     => in(sK4(X0,X1),set_intersection2(X0,X1)) ),
    introduced(choice_axiom,[]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( in(sK4(X0,X1),set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f17,f33]) ).

fof(f35,plain,
    ( ? [X0,X1,X2] :
        ( ~ disjoint(unordered_pair(X0,X2),X1)
        & ~ in(X2,X1)
        & ~ in(X0,X1) )
   => ( ~ disjoint(unordered_pair(sK5,sK7),sK6)
      & ~ in(sK7,sK6)
      & ~ in(sK5,sK6) ) ),
    introduced(choice_axiom,[]) ).

fof(f36,plain,
    ( ~ disjoint(unordered_pair(sK5,sK7),sK6)
    & ~ in(sK7,sK6)
    & ~ in(sK5,sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5,sK6,sK7])],[f18,f35]) ).

fof(f40,plain,
    ! [X2,X0,X1,X4] :
      ( X1 = X4
      | X0 = X4
      | ~ in(X4,X2)
      | unordered_pair(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f23]) ).

fof(f46,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X0)
      | ~ in(X4,X2)
      | set_intersection2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f28]) ).

fof(f47,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X1)
      | ~ in(X4,X2)
      | set_intersection2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f28]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( in(sK4(X0,X1),set_intersection2(X0,X1))
      | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f34]) ).

fof(f58,plain,
    ~ in(sK5,sK6),
    inference(cnf_transformation,[],[f36]) ).

fof(f59,plain,
    ~ in(sK7,sK6),
    inference(cnf_transformation,[],[f36]) ).

fof(f60,plain,
    ~ disjoint(unordered_pair(sK5,sK7),sK6),
    inference(cnf_transformation,[],[f36]) ).

fof(f65,plain,
    ! [X0,X1,X4] :
      ( X1 = X4
      | X0 = X4
      | ~ in(X4,unordered_pair(X0,X1)) ),
    inference(equality_resolution,[],[f40]) ).

fof(f67,plain,
    ! [X0,X1,X4] :
      ( in(X4,X1)
      | ~ in(X4,set_intersection2(X0,X1)) ),
    inference(equality_resolution,[],[f47]) ).

fof(f68,plain,
    ! [X0,X1,X4] :
      ( in(X4,X0)
      | ~ in(X4,set_intersection2(X0,X1)) ),
    inference(equality_resolution,[],[f46]) ).

cnf(c_57,plain,
    ( ~ in(X0,unordered_pair(X1,X2))
    | X0 = X1
    | X0 = X2 ),
    inference(cnf_transformation,[],[f65]) ).

cnf(c_62,plain,
    ( ~ in(X0,set_intersection2(X1,X2))
    | in(X0,X2) ),
    inference(cnf_transformation,[],[f67]) ).

cnf(c_63,plain,
    ( ~ in(X0,set_intersection2(X1,X2))
    | in(X0,X1) ),
    inference(cnf_transformation,[],[f68]) ).

cnf(c_69,plain,
    ( in(sK4(X0,X1),set_intersection2(X0,X1))
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f56]) ).

cnf(c_70,negated_conjecture,
    ~ disjoint(unordered_pair(sK5,sK7),sK6),
    inference(cnf_transformation,[],[f60]) ).

cnf(c_71,negated_conjecture,
    ~ in(sK7,sK6),
    inference(cnf_transformation,[],[f59]) ).

cnf(c_72,negated_conjecture,
    ~ in(sK5,sK6),
    inference(cnf_transformation,[],[f58]) ).

cnf(c_836,plain,
    ( in(sK4(X0,X1),X1)
    | disjoint(X0,X1) ),
    inference(superposition,[status(thm)],[c_69,c_62]) ).

cnf(c_837,plain,
    ( in(sK4(X0,X1),X0)
    | disjoint(X0,X1) ),
    inference(superposition,[status(thm)],[c_69,c_63]) ).

cnf(c_883,plain,
    ( sK4(unordered_pair(X0,X1),X2) = X0
    | sK4(unordered_pair(X0,X1),X2) = X1
    | disjoint(unordered_pair(X0,X1),X2) ),
    inference(superposition,[status(thm)],[c_837,c_57]) ).

cnf(c_937,plain,
    ( in(sK4(X0,X1),X1)
    | disjoint(X0,X1) ),
    inference(superposition,[status(thm)],[c_69,c_62]) ).

cnf(c_938,plain,
    ( in(sK4(X0,X1),X0)
    | disjoint(X0,X1) ),
    inference(superposition,[status(thm)],[c_69,c_63]) ).

cnf(c_1053,plain,
    ( sK4(unordered_pair(X0,X1),X2) = X0
    | sK4(unordered_pair(X0,X1),X2) = X1
    | disjoint(unordered_pair(X0,X1),X2) ),
    inference(superposition,[status(thm)],[c_938,c_57]) ).

cnf(c_1180,plain,
    ( sK4(unordered_pair(sK5,sK7),sK6) = sK5
    | sK4(unordered_pair(sK5,sK7),sK6) = sK7 ),
    inference(superposition,[status(thm)],[c_883,c_70]) ).

cnf(c_1697,plain,
    ( sK4(unordered_pair(sK5,sK7),sK6) = sK5
    | sK4(unordered_pair(sK5,sK7),sK6) = sK7 ),
    inference(superposition,[status(thm)],[c_1053,c_70]) ).

cnf(c_2602,plain,
    ( sK4(unordered_pair(sK5,sK7),sK6) = sK5
    | disjoint(unordered_pair(sK5,sK7),sK6)
    | in(sK7,sK6) ),
    inference(superposition,[status(thm)],[c_1180,c_836]) ).

cnf(c_4756,plain,
    sK4(unordered_pair(sK5,sK7),sK6) = sK5,
    inference(global_subsumption_just,[status(thm)],[c_1697,c_71,c_70,c_2602]) ).

cnf(c_4765,plain,
    ( disjoint(unordered_pair(sK5,sK7),sK6)
    | in(sK5,sK6) ),
    inference(superposition,[status(thm)],[c_4756,c_937]) ).

cnf(c_4768,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_4765,c_70,c_72]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SET916+1 : TPTP v8.1.2. Released v3.2.0.
% 0.08/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n015.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Thu May  2 21:00:35 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.22/0.49  Running first-order theorem proving
% 0.22/0.49  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 3.87/1.19  % SZS status Started for theBenchmark.p
% 3.87/1.19  % SZS status Theorem for theBenchmark.p
% 3.87/1.19  
% 3.87/1.19  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 3.87/1.19  
% 3.87/1.19  ------  iProver source info
% 3.87/1.19  
% 3.87/1.19  git: date: 2024-05-02 19:28:25 +0000
% 3.87/1.19  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 3.87/1.19  git: non_committed_changes: false
% 3.87/1.19  
% 3.87/1.19  ------ Parsing...
% 3.87/1.19  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 3.87/1.19  
% 3.87/1.19  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 3.87/1.19  
% 3.87/1.19  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.87/1.19  
% 3.87/1.19  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 3.87/1.19  ------ Proving...
% 3.87/1.19  ------ Problem Properties 
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  clauses                                 23
% 3.87/1.19  conjectures                             3
% 3.87/1.19  EPR                                     5
% 3.87/1.19  Horn                                    18
% 3.87/1.19  unary                                   9
% 3.87/1.19  binary                                  6
% 3.87/1.19  lits                                    47
% 3.87/1.19  lits eq                                 16
% 3.87/1.19  fd_pure                                 0
% 3.87/1.19  fd_pseudo                               0
% 3.87/1.19  fd_cond                                 0
% 3.87/1.19  fd_pseudo_cond                          6
% 3.87/1.19  AC symbols                              0
% 3.87/1.19  
% 3.87/1.19  ------ Input Options Time Limit: Unbounded
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  ------ 
% 3.87/1.19  Current options:
% 3.87/1.19  ------ 
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  ------ Proving...
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  ------ Proving...
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  ------ Proving...
% 3.87/1.19  
% 3.87/1.19  
% 3.87/1.19  % SZS status Theorem for theBenchmark.p
% 3.87/1.19  
% 3.87/1.19  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.87/1.19  
% 3.87/1.20  
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